Improvements to the existing raw water supply Infrastructure and 7.50 MLD Seethamalai in Mettur Municipality

Supply and delivery of floor mounted type 120HP FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V(+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button.

Supply and delivery of 120HP vertical Hollow/Solid shaft Squirrel cage induction motor (IS 325) suitable for the above pump continuous rated TEFC/SPDP type with Class ‘F’ insulation for operation in AC, three Phase/50 HZ (±5%), 415V (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be over loaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor offered should be energy efficient to have maximum efficiency at high power factor. Separate thrust bearing assembly could also be supplied to takeup the down load.

Supply and delivery of (6800LPM x 70 m)Vertical type water/Oil lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 (Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes and line shaft indicated is based on site condition prevailing during investigation. The pump should be supplied with non reversible ratchet pin housing safety clutch, suction strainer etc. The Pump Bowl assembly shall be with bronze impeller running at 1450 rpm. The pump includes suitable head shaft, suitable 1.5 metre long SS line shaft required Nos. to suit the well depth, Rubber line shaft bearing of required Nos., C.I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set etc complete(2694 LPM x 34M Head)

Supply and delivery of 240Sq.mm 3.5 Core AL for 120HP pumpset and cables Conformaing to IS 7098 (PART I)/1988

Supply and fixing of 400 A Three phase 500V 4 Pole Change over Switch on suitable angle iron frame work with MS cable entry boxes with PWD Earthing.

TWIN CI EARTHING as per IS 3043/1987 and Latest amendments

Erection of water Lubricated / oil lubricated vertical turbine pump with motor at site of work including preparation of suitable foundation and bed, fabrication of packer plates from raw materials , cutting required shims , assembling and joining of all required loose components such as bowl assembly, impellor shaft, line shaft, column pipes , head soft, discharge head, bearings, drive unit, delivery side pipes , suitable tappers required valves and specials, pressure gauges and flow meters , adjustment of pump shaft and leveling and alignment checkup greasing of relevant components, grouting of foundation bolts and sole plate with non shrink grout materials of conbextra GP-2 cement erection, connecting the relevant electrical cables with motor properly etc. complete and testing the out put and efficiency, site performance test for noise and vibration and trial run for minimum 10 days and commissioning satisfactorily for the various HP of the vertical turbine pumpsets as given below per IE rules as directed officers .

Supply and delivery of (2500 LPM x 70m) Horizontal split casing centrifugal pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 415 V, 50 Hz, 1500 RPM.

Supply and delivery of 60HP AC three Phase 4 pole Horizontal squirrel cage Induction motor confiriming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continous S1 rated, 415 V +/- 10 %, 50 HZ +/- 5%, TEFC (upto 20 HP), SPDP (above 20 HP). The motor offered should be of energy efficient motors.

Supply and delivery of floor mounted type 60 HP/44KW FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V(+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button.